What types of batteries are compatible?

It is suitable for 36V Lead-acid, SLA, AGM, GEL batteries, and Lithium-ion batteries (max 42V). It also supports LiFePO4 and Li-MnO2 types.

How do I choose the right charger for my battery?

Selection depends on battery type, capacity, and application. Please provide your battery information, and our engineers will recommend the most suitable charger or customize one for you.

42V 4A Li-ion Battery Charger

Name: 42V 4A Li-ion Battery Charger
Brand: Danl New Energy Co., Limited
SKU: 756086182

Guangdong, ChinaDanl New Energy Co., Limited

US$23.00-25.00

10 Pieces

Sample price:US$25.00/piece.Request sample

Product profile

Customization

Available

Rated Power

36V 180W

Charging Current

42V 4A

Model NO.

VL3604L

Input Voltage

110 or 230VAC

Type

Lithium Ion Battery Charger

Charging Type

Smart Battery Charger

Principle

MCU Controlled Smart Charger

Net Weight

0.9 Kg

Color

Silver or Black

Case Material

Aluminum

Lead Time

5-7 Days

Charge Steps

Automatic Cc CV Charging

Charge Time

2-3 Hours Fast Charging

Warranty

2 Years

Transport Package

Carton

Specification

155*90*50 mm

Trademark

VLDL

Origin

China

Production Capacity

100000PCS/Month

Key features

Smart MCU Control: Micro-processor controlled with automatic 4-step charging for safety.

Multi-Protection: Features short circuit, over-voltage, over-temperature, and reverse polarity protection.

2-Year Warranty: Comprehensive 2-year warranty with free replacing policy and 24h response.

Customizable Options: Input/output voltage, plug type, and connectors are available for customization.

Fast Charging: Delivers 36V 4A output with 2-3 hours fast charging time.

Portable Design: Aluminum casing with lightweight 0.9kg net weight for easy portability.

Wide Compatibility: Suitable for 36V Lead-acid, SLA, AGM, GEL, and Lithium-ion batteries.

EV Special Functions: Supports in-lock signal and remote signal wire for digital display connection.

Company profile

Danl New Energy Co., LimitedGuangdong, China

CertifiedBusiness Type: Trading CompanyExport Year: 2008-06-02Nearest Port: Guangzhou, ShenzhenAverage Response Time: ≤9.98hTerms of Payment: T/T, PayPal, Western UnionInternational Commercial Terms(Incoterms): FOB, CIF, EXW

AI-Powered supplier vetting

SummaryDanl New Energy Co., Limited is identified as a China-based limited trading company headquartered in Guangzhou, with stated manufacturing operations in Nansha. Its business focuses on smart battery chargers for lithium, lead-acid, and various electric-mobility applications. The supplier reports four production lines, 6–10 quality-control staff, a 97.24 m² manufacturing plant, and substantial export activity. It claims customization, ODM/OEM, two-year full warranty, and free replacement services. However, no certification information or specific customer cases is provided. The materials also contain differing establishment/export-history references, so corporate history should be verified before relying on those claims.

Supplier typeThe supplier is legally described as a limited company and classified as a trading company, while its materials also identify a factory/manufacturer operation at a Guangzhou address. Its business covers battery chargers and related electrical/electronics products, indicating a trading entity with stated manufacturing capability.

After-Sales capabilityDanl explicitly states that it provides after-service and claims a two-year full warranty policy with free replacement. These are clear stated service commitments, although no service process, response-time data, or verification evidence is provided.

R&D capabilityThe supplier states that it designs and manufactures switching-mode technology battery chargers and develops smart chargers for multiple battery chemistries and electric-mobility applications. This supports product-development capability, but no patents, R&D team information, or independently validated technology evidence is provided.

Production capacityThe supplier reports a 97.24 m² manufacturing plant, four production lines, and 6–10 quality-control staff. Its listed product range covers multiple voltage levels, battery chemistries, and vehicle types, providing explicit evidence of production scope, though actual capacity and output verification are limited.

Customization capabilityDanl explicitly states that it specializes in customizing smart battery chargers and provides ODM/OEM services and charging solutions for battery and EV factories or wholesalers. This directly supports customization capability across multiple battery and mobility applications.

Product Q&A

Q:What is the warranty period and policy?

We provide a fully 2-year warranty with a free replacing policy. We guarantee a 24-hour response time after receiving a failed product report.

Q:Can I customize the input/output or plug type?

Yes, customized input/output voltage, plug type, and connectors are available to meet your specific requirements.

Q:What protections does the charger have?

The charger features comprehensive protections including short circuit, over-voltage, over-temperature, and reverse polarity protection.

Q:Can I charge several batteries in parallel?

Yes, the charger can maintain several batteries connected in parallel as long as the total capacity is below the model's recommendation. Use high-quality wiring to avoid high current issues.

Q:Is it safe to leave the charger connected for a long time?

For lead-acid batteries, the charger has a maintenance mode allowing you to leave it connected for up to 24 hours. For lithium batteries without a BMS, do not leave it unattended.